[Problems of the clinical trial of encephalotropic substances].
D001714:Bipolar Disorder / Q000188:drug therapy*; D002986:Clinical Trials as Topic; D006801:Humans; D011600:Psychopharmacology; D012559:Schizophrenia / Q000188:drug therapy*
Probleme der klinischen Prüfung enkephalotroper Substanzen.